2.2k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- National University of Science and TechnologyRU181 papers
- Moscow Institute of Physics and TechnologyRU162 papers
- Lomonosov Moscow State UniversityRU153 papers
- P.N. Lebedev Physical Institute of the Russian Academy of SciencesRU98 papers
- Centre National de la Recherche ScientifiqueFR78 papers
- Russian Academy of SciencesRU70 papers
- Karlsruhe Institute of TechnologyDE67 papers
- Steklov Mathematical InstituteRU52 papers
- Skolkovo Institute of Science and TechnologyRU51 papers
- National Research University Higher School of EconomicsRU50 papers
- University of AmsterdamNL48 papers
- Université Paris-SaclayFR36 papers
28 papers · 2 filters
Decomposing the generalized Toffoli gate with qutrits
A. S. Nikolaeva, E. O. Kiktenko, A. K. Fedorov
The problem of finding efficient decompositions of multi-qubit gates is of importance for quantum computing, especially, in application to existing noisy intermediate-scale quantum…
Simulating quantum circuits using the multi-scale entanglement renormalization ansatz
I. A. Luchnikov, A. V. Berezutskii, A. K. Fedorov
Understanding the limiting capabilities of classical methods in simulating complex quantum systems is of paramount importance for quantum technologies. Although many advanced appro…
QND measurements of photon number in monolithic microcavities
S. N. Balybin, A. B. Matsko, F. Ya. Khalili +5
We revisit the idea of quantum nondemolition measurement (QND) of optical quanta via a resonantly enhanced Kerr nonlinearity taking into account quantum back action and show that t…
Peculiarities of Interaction of a Quantum Dot with Non-Classical Light in the Self-Phase Modulation Regime
Stepan N. Balybin, Roman V. Zakharov, Olga V. Tikhonova
Influence of the self-phase modulation of quantum light on the induced resonant excitation of a semiconductor quantum dot is studied analytically in the case of the Kerr-nonlineari…
Efficient realization of quantum algorithms with qudits
Anastasiia S. Nikolaeva, Evgeniy O. Kiktenko, Aleksey K. Fedorov
The development of a universal fault-tolerant quantum computer that can solve efficiently various difficult computational problems is an outstanding challenge for science and techn…
Trajectories without quantum uncertainties in composite systems with disparate energy spectra
Emil Zeuthen, Eugene S. Polzik, Farid Ya. Khalili
It is well established that measurement-induced quantum back action (QBA) can be eliminated in composite systems by engineering so-called quantum-mechanics-free subspaces (QMFSs) o…
The effect of quantum noise on algorithmic perfect quantum state transfer on NISQ processors
D. V. Babukhin, W. V. Pogosov
Quantum walks are an analog of classical random walks in quantum systems. Quantum walks have smaller hitting times compared to classical random walks on certain types of graphs, le…
Confidence polytopes for quantum process tomography
E. O. Kiktenko, D. O. Norkin, A. K. Fedorov
In the present work, we propose a generalization of the confidence polytopes approach for quantum state tomography (QST) to the case of quantum process tomography (QPT). Our approa…
Loss of Antibunching
Juan Camilo López Carreño, Eduardo Zubizarreta Casalengua, Blanca Silva +2
We describe some of the main external mechanisms that lead to a loss of antibunching, i.e., that spoil the character of a given quantum light to deliver its photons separated the o…
Hybrid quantum-classical machine learning for generative chemistry and drug design
A. I. Gircha, A. S. Boev, K. Avchaciov +2
Deep generative chemistry models emerge as powerful tools to expedite drug discovery. However, the immense size and complexity of the structural space of all possible drug-like mol…
Probing defect densities at the edges and inside Josephson junctions of superconducting qubits
Alexander Bilmes, Serhii Volosheniuk, Alexey V. Ustinov +1
Tunneling defects in disordered materials form spurious two-level systems which are a major source of decoherence for micro-fabricated quantum devices. For superconducting qubits,…
Practical quantum multiparty signatures using quantum-key-distribution networks
E. O. Kiktenko, A. S. Zelenetsky, A. K. Fedorov
Digital signatures are widely used for providing security of communications. At the same time, the security of currently deployed digital signature protocols is based on unproven c…
Tunable coupling scheme for implementing two-qubit gates on fluxonium qubits
I. N. Moskalenko, I. S. Besedin, I. A. Simakov +1
The superconducting fluxonium circuit is an RF-SQUID-type flux qubit that uses a large inductance built from an array of Josephson junctions or a high kinetic inductance material.…
Simulation of the five-qubit quantum error correction code on superconducting qubits
I. A. Simakov, I. S. Besedin, A. V. Ustinov
Experimental realization of stabilizer-based quantum error correction (QEC) codes that would yield superior logical qubit performance is one of the formidable task for state-of-the…
Cavity-QED of a quantum metamaterial with tunable disorder
Grigoriy S. Mazhorin, Ilya N. Moskalenko, Ilya S. Besedin +8
We explore experimentally a quantum metamaterial based on a superconducting chip with 25 frequency-tunable transmon qubits coupled to a common coplanar resonator. The collective br…
Towards security recommendations for public-key infrastructures for production environments in the post-quantum era
S. E. Yunakovsky, M. Kot, N. O. Pozhar +7
Quantum computing technologies pose a significant threat to the currently employed public-key cryptography protocols. In this paper, we discuss the impact of the quantum threat on…
Natural and magnetically induced entanglement of hyperfine-structure states in atomic hydrogen
Yusef Maleki, Sergei Sheludiakov, Vladimir V. Khmelenko +3
The spectrum of atomic hydrogen has long been viewed as a Rosetta stone that bears the key to decode the writings of quantum mechanics in a vast variety of physical, chemical, and…
Electric field noise in a high-temperature superconducting surface ion trap
Philip C. Holz, Kirill Lakhmanskiy, Dominic Rathje +3
Scaling up trapped-ion quantum computers requires new trap materials to be explored. Here, we present experiments with a surface ion trap made from the high-temperature superconduc…
Multiphoton resonance in a driven Kerr oscillator in presence of high-order nonlinearities
Evgeny V. Anikin, Natalya S. Maslova, Nikolay A. Gippius +1
We considered the multiphoton resonance in the periodically driven quantum oscillator with Kerr nonlinearity in the presence of weak high-order nonlinearities. Multiphoton resonanc…
Tunable Anderson Localization of Dark States
Jan David Brehm, Paul Pöpperl, Alexander D. Mirlin +4
Random scattering of photons in disordered one-dimensional solids gives rise to an exponential suppression of transmission, which is known as Anderson localization. Here, we experi…
Quantum beats of a magnetic fluxon in a two-cell SQUID
I. N. Moskalenko, I. S. Besedin, S. S. Seidov +2
We report a detailed theoretical study of a coherent macroscopic quantum-mechanical phenomenon - quantum beats of a single magnetic fluxon trapped in a two-cell SQUID of high kinet…
Optimizing the deployment of quantum key distribution switch-based networks
Andrey Tayduganov, Vadim Rodimin, Evgeniy O. Kiktenko +7
Quantum key distribution (QKD) networks provide an infrastructure for establishing information-theoretic secure keys between legitimate parties via quantum and authentic classical…
Probing non-Markovian quantum dynamics with data-driven analysis: Beyond "black-box" machine learning models
I. A. Luchnikov, E. O. Kiktenko, M. A. Gavreev +3
A precise understanding of the influence of a quantum system's environment on its dynamics, which is at the heart of the theory of open quantum systems, is crucial for further prog…
Faking photon number on a transition-edge sensor
Poompong Chaiwongkhot, Jiaqiang Zhong, Anqi Huang +3
We study potential security vulnerabilities of a single-photon detector based on superconducting transition-edge sensor. In a simple experiment, we show that an adversary could fak…